Home / 13,541.52-18,687.60-9,569.64

Finding the Fourth Proportional to 13,541.52, 18,687.60 and 9,569.64

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Solution

The fourth proportional to 13,541.52, 18,687.60 and 9,569.64 is: 13,206.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,541.52 : 18,687.60 = 9,569.64 : x
  2. Step 2: Convert to fraction form
    13,541.52/18,687.60 = 9,569.64/x
  3. Step 3: Cross multiply
    13,541.52x = 18,687.60 × 9,569.64
  4. Step 4: Simplify right side
    13,541.52x = 178,833,604.46
  5. Step 5: Solve for x
    x = 178,833,604.46/13,541.52
  6. Step 6: Final answer
    x = 13,206.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.